318ti.org forum - What sensor does OBD2 use for RPM?

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paul somlo

06-12-2021 12:24 AM

What sensor does OBD2 use for RPM?

Is it the crankshaft or the camshaft sensor? I'm using a bluetooth adapter with Torque lite, trying to diagnose a potential crankshaft sensor failure left me stranded.

'96ti, 262,000mi

paul somlo

06-12-2021 12:32 AM

I may have answered this for myself - I ran the vehicle while monitoring rpm on the app and removed the camshaft sensor; still had rpm data.

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